Herbert S Terrace

Mechanisms of inferential order judgments in humans (Homo sapiens) and rhesus monkeys (Macaca mulatta).

Dustin J. Merritt, H. Terrace, Dustin J Merritt, 2011, Journal of comparative psychology.

The role of reference points in ordinal numerical comparisons by rhesus macaques (Macaca mulatta).

Elizabeth M Brannon, Jessica F Cantlon, H. Terrace, 2006, Journal of experimental psychology. Animal behavior processes.